CDLGO

CDLGO helps you prepare for your Commercial Driver's License (CDL) exam with realistic practice tests, study tools, and progress tracking — all in one app.

Whether you're getting your CDL for the first time or renewing an endorsement, CDLGO gives you the practice you need to feel confident on test day.

WHAT YOU GET

• CDL practice tests by category (General Knowledge, Air Brakes, Combination, Hazmat, and more)
• Study by U.S. state — pick your state and practice the right material
• Road signs library with clear explanations
• Flashcards for quick review
• Track your scores, progress, and weak areas
• Free demo test — try before you sign up
• Premium plans unlock full access to all tests and features

LANGUAGES

Study in English, Russian, or Uzbek — switch anytime in settings.

WHY CDLGO

• Clean, easy-to-use interface designed for mobile
• Questions with hints and explanations so you learn, not just memorize
• See your pass score and study streak to stay motivated
• Support chat if you need help

FREE & PREMIUM

Start with a free demo. Upgrade to Full access for unlimited practice tests, all categories, and premium content.

IMPORTANT

CDLGO is a study and practice tool. It is not affiliated with any state DMV or government agency. Passing our practice tests does not guarantee passing the official CDL exam.

Download CDLGO today and start preparing for your CDL success!

Website: https://cdlgo.com
Privacy: https://cdlgo.com/privacy